{"id":"CLEANSTART-2024-ZK92122","summary":"Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable informa...","details":"Security vulnerability affects the xen package. Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access.","modified":"2026-10-31T16:03:12.878478239Z","published":"2026-10-31T14:21:35.860675Z","upstream":["CVE-2019-11091"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-ZK92122.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2019-11091"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11091"}],"affected":[{"package":{"name":"xen","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xen?arch=x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.0-r2"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-ZK92122.json"}},{"package":{"name":"xen","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xen?arch=armv7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.0-r2"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-ZK92122.json"}},{"package":{"name":"xen","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xen?arch=aarch64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.0-r2"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-ZK92122.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"}]}